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Fudgin [204]
3 years ago
9

Help would be appreciated​

Mathematics
1 answer:
Vesnalui [34]3 years ago
4 0

Answer:

<u>5x+10</u>

27x

Step-by-step explanation:

cross multiply

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<h2>Writing the Inverse of a Function</h2><h3>Answer:</h3>

f^{-1}(x) = \sqrt[3]{\frac{x +5}{3}}\\

<h3>Step-by-step explanation:</h3>

<em>Please refer to my Answer from this Questions to know more about Inverse Functions: <u>brainly.com/question/24619467</u></em>

Let y = f(x) so that the inverse of y is equal to f^{-1}(x).

Solving for f^{-1}(x):

f(x) = 3x^3 -5 \\ y = 3x^3 -5 \\ x = 3y^3 -5 \\ 3y^3 -5 = x \\ 3y^3 = x +5 \\ y^3 = \frac{x +5}{3} \\ y = \sqrt[3]{\frac{x +5}{3}}

Since the inverse of y is equal to f^{-1}(x), f^{-1}(x) = \sqrt[3]{\frac{x +5}{3}}\\.

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3 years ago
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4 years ago
Venell put together a model train with 25 train cars. Each train car is 80 millimeters long. How many meters long is Venell's mo
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Answer:

So the answer is 2 meters

Step-by-step explanation:

So it's easy all you have to do is multiply 25

                                                                 x 80

                                                                 _____

                                                                  2,000/1,000=2

The reason I divided by 1,000 is because it says you need to convert it to meters instead of just millimeters.

                                                                 

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